6 citations
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September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
February 2025 in “Iraqi Journal of Science” PCOS patients have higher LDH and lower cortisol, dopamine, zinc, and vitamin D3, which may contribute to their symptoms and obesity.
30 citations
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July 2023 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.
5 citations
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January 2021 in “PeerJ” Elephant tail-hair can show past stress levels, matching times when stressful events happened.
21 citations
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October 2009 in “Dermatology” Men with male pattern hair loss have different levels of certain hormones compared to men without hair loss.
16 citations
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August 2007 in “Histopathology” A woman's rare adrenal tumor caused high testosterone and cortisol levels, which normalized after the tumor was removed.
22 citations
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November 2011 in “Journal of Analytical Toxicology” Scientists have developed a new method to detect steroid abuse in athletes using cell-based tests, which could be the future of anti-doping methods.
Wildebeest stress and hormone levels are influenced by food availability, human presence, and reproductive cycles.
1 citations
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January 1978 in “PubMed” Certain chemical changes to cortisol and progesterone can increase or decrease their ability to inhibit hair growth.
1 citations
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October 2024 in “International Journal of Obesity”
November 2025 in “Open Access CRIS of the University of Bern” Androgen levels are more linked to body size in boys than girls.
December 2014 in “Bali Medical Journal” Females have higher estrogen receptor levels in hair than males, and these levels decrease in white hair compared to black hair.
September 2025 in “Cosmoderma” Pandemic stress worsens hair loss and skin issues, suggesting combined mental and skin care treatments.
44 citations
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November 2018 in “Journal of applied ecology” Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
47 citations
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September 2016 in “Reviews in endocrine and metabolic disorders” The skin's ability to produce hormones is linked to various skin conditions, and better understanding this process could lead to new treatments.
3 citations
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October 2021 in “Clinica Chimica Acta” Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
1 citations
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November 2023 in “Frontiers in veterinary science” Goat hair shows changes in metal levels and stress when goats move from indoors to mountain pastures.
The case shows the difficulty in diagnosing certain conditions when standard tests are negative.
March 2024 in “American journal of veterinary research” Clippers are the best tool for collecting dog hair for chemical tests, being fast and stress-free for the dog.
13 citations
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January 2016 in “Annals of Dermatology” Stress can slow hair growth by affecting certain cells and pathways.
1 citations
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November 2022 in “Nutrients” Hair glucocorticoid levels and gut bacteria are linked to growth rates in piglets.
November 2025 in “European Journal of Endocrinology” Hair steroid profiling is a feasible, non-invasive alternative to serum analysis for assessing hormone levels and metabolism.
September 2025 in “International Journal of Molecular Sciences” Hair analysis could help diagnose and treat schizophrenia more effectively.
November 2024 in “Psychoneuroendocrinology” Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
January 2017 in “Qucosa (Saxon State and University Library Dresden)” Plasma protein binding significantly affects glucocorticosteroid concentration in blood, saliva, and hair.
49 citations
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April 2016 in “International journal of molecular sciences” Shift nurses show altered body temperature and stress hormone levels, suggesting their body clocks adjust to irregular schedules.
34 citations
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March 2003 in “Veterinary Dermatology” Most dogs with alopecia had higher than normal levels of certain hormones, but hair loss might not always be linked to these hormone changes.
24 citations
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March 2001 in “Journal of Endocrinology/Journal of endocrinology” Red deer only have androgen receptors in neck hair cells for mane growth during breeding season.
1 citations
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September 2017 in “Journal of Investigative Dermatology” Blocking a specific enzyme can reduce the negative impact of stress hormones on hair growth cells.
December 2025 in “Neurobiology of Stress” People who recently attempted suicide during depression showed signs of adrenal fatigue, but had higher DHEA levels around the attempt time.